Home / 776,585.88-1,165,159.16-271,221.28

Finding the Fourth Proportional to 776,585.88, 1,165,159.16 and 271,221.28

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Solution

The fourth proportional to 776,585.88, 1,165,159.16 and 271,221.28 is: 406,929.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,585.88 : 1,165,159.16 = 271,221.28 : x
  2. Step 2: Convert to fraction form
    776,585.88/1,165,159.16 = 271,221.28/x
  3. Step 3: Cross multiply
    776,585.88x = 1,165,159.16 × 271,221.28
  4. Step 4: Simplify right side
    776,585.88x = 316,015,958,778.93
  5. Step 5: Solve for x
    x = 316,015,958,778.93/776,585.88
  6. Step 6: Final answer
    x = 406,929.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.